"If the bee disappears from the surface of the earth, man would have no more than four years to live. No more bees, no more pollination ... no more men!" 
"Whoever you vote for the council still gets in."
"Once upon a time a band of knights riding through a forest saw hundreds of trees with targets painted on them and an arrow in the very center of each target.
* When the king heard of this, he sent the knights back to find the archer who hit the bullseye every time.
They found a wee, small boy.
They brought him back to the king, and the king asked how he ever managed such a remarkable feat.
The boy answered, "it's easy, sir. First you shoot the arrow, then you paint the target."
"Never doubt the value of your own contribution however much it may go unrecognised by the powers-that-be.
Nurture your own self-confidence and help realise the confidence of the group to which you belong, even if the only group to which you belong is humankind."
"Trying to relieve traffic congestion by building more roads is like trying to lose weight by loosening your belt"
"Diversity is the one true thing we all have in common. Celebrate it every day."
"Take nothing but pictures. Leave nothing but footprints. Kill nothing but time."